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1. 发明授权

US09445067B2 Imaging device and image signal processor with color noise correction 有权
标题翻译：具有彩色噪声校正的成像装置和图像信号处理器
公开(公告)号：US09445067B2
公开(公告)日：2016-09-13
申请号：US14176038
申请日：2014-02-07
申请人： Hitachi, Ltd.
发明人： Shinichiro Hirooka , Manabu Katsuki , Junji Shiokawa , Yuichi Nonaka
IPC分类号： H04N9/64
CPC分类号： H04N9/646 , H04N9/643
摘要： Enhancing the image quality by suitable color noise correction is realized without depending on a subject, a photographing scene, and photographing conditions by determining and correcting a color noise component according to photographing conditions of a camera. The present invention is configured of an imaging device that has: an imaging unit; a signal processing unit that performs signal processing on an image signal inputted from the imaging unit and outputs a luminance signal and a chrominance signal; a camera controlling unit that controls at least one of photographing conditions of optical conditions and exposure of the photographing unit and a signal processing condition of the signal processing unit; and a color noise correction unit that extracts and corrects a color noise component from the chrominance signal inputted from the signal processing unit. The camera control unit controls the color noise correction unit using information of the photographing conditions.
摘要翻译：通过适当的颜色噪声校正来提高图像质量，而不依赖于被摄体，拍摄场景和拍摄条件，通过根据照相机的拍摄条件确定和校正颜色噪声分量。本发明由具有成像单元的成像装置构成，信号处理单元，对从所述摄像单元输入的图像信号进行信号处理，并输出亮度信号和色度信号; 照相机控制单元，其控制光学条件的拍摄条件和拍摄单元的曝光和信号处理单元的信号处理条件中的至少一个; 以及颜色噪声校正单元，从从信号处理单元输入的色度信号中提取和校正颜色噪声分量。照相机控制单元使用摄影条件的信息来控制彩色噪声校正单元。

2. 发明申请

US20140240533A1 IMAGING DEVICE AND IMAGE SIGNAL PROCESSOR 有权
标题翻译：成像设备和图像信号处理器
公开(公告)号：US20140240533A1
公开(公告)日：2014-08-28
申请号：US14176038
申请日：2014-02-07
申请人： Hitachi, Ltd.
发明人： Shinichiro Hirooka , Manabu Katsuki , Junji Shiokawa , Yuichi Nonaka
IPC分类号： H04N9/64 , H04N9/04 , H04N9/73
CPC分类号： H04N9/646 , H04N9/643
摘要： Enhancing the image quality by suitable color noise correction is realized without depending on a subject, a photographing scene, and photographing conditions by determining and correcting a color noise component according to photographing conditions of a camera. The present invention is configured of an imaging device that has: an imaging unit; a signal processing unit that performs signal processing on an image signal inputted from the imaging unit and outputs a luminance signal and a chrominance signal; a camera controlling unit that controls at least one of photographing conditions of optical conditions and exposure of the photographing unit and a signal processing condition of the signal processing unit; and a color noise correction unit that extracts and corrects a color noise component from the chrominance signal inputted from the signal processing unit. The camera control unit controls the color noise correction unit using information of the photographing conditions.
摘要翻译：通过适当的颜色噪声校正来提高图像质量，而不依赖于被摄体，拍摄场景和拍摄条件，通过根据照相机的拍摄条件确定和校正颜色噪声分量。本发明由具有成像单元的成像装置构成，信号处理单元，对从所述摄像单元输入的图像信号进行信号处理，并输出亮度信号和色度信号; 照相机控制单元，其控制光学条件的拍摄条件和拍摄单元的曝光和信号处理单元的信号处理条件中的至少一个; 以及颜色噪声校正单元，从从信号处理单元输入的色度信号中提取和校正颜色噪声分量。照相机控制单元使用摄影条件的信息来控制彩色噪声校正单元。

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